<%--
  Created by IntelliJ IDEA.
  User: 15593
  Date: 2021/7/18
  Time: 23:57
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%
    session.setAttribute("A","张五");
    request.setAttribute("A","张四");
    application.setAttribute("A","张六");
    pageContext.setAttribute("A","张三");
%>
${A}
${A}
${A}
${A}
<%= pageContext.getRequest()%>

</body>
</html>
